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From: Antonio Mitarotondo <amitarotondo@interfree.it>
To: linux-smp@vger.kernel.org
Subject: Re: Random CPU initialization on Athlon SMP
Date: Fri, 26 Sep 2003 19:38:19 +0200	[thread overview]
Message-ID: <200309261938.19055.amitarotondo@interfree.it> (raw)
In-Reply-To: <200309181641.59025.eastermaster@altern.org>

On Thursday 18 September 2003 16:41, eastermaster wrote:
> Hello niteowl,
>
> > I have a very strange problem on my dual Athlon MP system since CPU
> > initialization seems to be performed in a random way. In about 50% of
> > bootstraps the kernel manages to correctly enable the second CPU, in the
> > other 50% not.
>
> I have the same problem with almost the same configuration ...
> I think it's not an hardware problem, if you find a solution let me know
> asap I'm looking for info and similar problem report but until now i found
> nothing useful.

I found that passing the "acpismp=force" option to the kernel the problem is 
much less frequent. I don't know why, neither I know what this option 
precisely does.

I think that the problem is in someway related to ACPI or to something that is 
indirectly involved by ACPI.

--Tony

  reply	other threads:[~2003-09-26 17:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-09-18 14:41 Random CPU initialization on Athlon SMP eastermaster
2003-09-26 17:38 ` Antonio Mitarotondo [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-09-13  9:22 Antonio Mitarotondo

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